Google's Phone app now includes audio emoji, with options like sad, celebrate, and poop, but customization ... Ever since the first emoticons reared their text-based heads on the early message ...

Over time, emoji meanings have become subjective, depending on a message's context and wider cultural trends. Which shaking smiley face should you use? Is there a difference between each ...

Of the six billion emoji that are sent globally every day, around 70% are emotion based – for example, smiley face, love hearts. A smaller proportion of the emoji sent are sad expressions.